package web1.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;

/**
 * Servlet Filter implementation class MyFilter
 */
//@WebFilter(filterName="LogFilter",urlPatterns="/*",initParams={@WebInitParam(name ="Site" , value = "过滤器")})

@WebFilter("/*")
public class MyFilter implements Filter {
	private int hitCount;

    /**
     * Default constructor. 
     */
    public MyFilter() {
        // TODO Auto-generated constructor stub
    	hitCount=0;
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here

		// pass the request along the filter chain
		System.out.println("www.zyy.cn");
		hitCount++;
		request.setAttribute("hitCount", hitCount);
		chain.doFilter(request, response);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
		String site=fConfig.getInitParameter("Site");
		System.out.println("site.value:"+site);
	}

}
